查询词典 hyperboloidal

The hyperboloidal reflector transforms the shape of beam into a tilted light pipe to gain high collection efficiency and uniformity.

用LightTools软件建模的结果显示，当光调制器尺寸为1.4或1.3 m时，在满足高均匀性的前提下，光收集率能够提高20%。

The duct and the wake of duct is also discreted by a number of small hyperboloidal quadrilateral panels. Constant source and doublet are distributed on duct while there are only doublet on wake of duct.

以面元的几何形心为控制点，在每个物面面元上布置等强度的源汇分布和偶极子分布，每个尾涡面面元上布置等强度的偶极子分布。

The surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution.

采用面元法预报大侧斜螺旋桨水动力性能，螺旋桨表面及尾涡面离散为四边形双曲面元，每个面元上布置等强度源汇和偶极子分布。

Vortex lattice method is presented for calculating the loading distributions on all blades of propeller and hub which a number of small hyperboloidal quadrilateral panels are discreted.

螺旋桨采用离散涡环法，将桨叶表面和桨毂表面离散为一系列双曲四边形，在四边形网格中布置集中涡环和线源分布，根据物面条件建立方程得到涡和源汇分布的强度。

Hyperboloidal catadioptric omnidirectional imaging system.

抛物面折反射全景成像系统。

Hyperboloidal catadioptric omnidirectional imaging system.

双曲面折反射全景成像系统。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。